Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Entering September, Cassel notices a subtle temperature elevation, with the average high-temperature advancing from August's pleasant 22.3°C (72.1°F) to a warm 27°C (80.6°F). A dramatic downturn marks the September nights in Cassel, with lows averaging at a fresh 12.2°C (54°F).Humidity
With an average relative humidity of 25%, September is the least humid month.Rainfall
In Cassel, in September, during 1.9 rainfall days, 2mm (0.08") of precipitation is typically accumulated. In Cassel, during the entire year, the rain falls for 67.5 days and collects up to 204mm (8.03") of precipitation.Daylight
In Cassel, the average length of the day in September is 11h and 56min.On the first day of the month, sunrise is at 06:36 and sunset at 18:11. On the last day of September, sunrise is at 06:03 and sunset at 18:24 SAST.
Sunshine
The average sunshine in September is 9.9h.UV index
In Cassel, South Africa, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Cassel?
What is the least humid month in Cassel?
What is the average humidity in September in Cassel?
How much does it rain in Cassel in September?
How many hours of daylight does Cassel have in September?
What time are sunrise and sunset in September in Cassel?
How many hours of sunshine does Cassel have in September?
What is the UV index reading in September in Cassel?
Average temperature in September
Cassel, South Africa
- Average high temperature in September: 27°C
The warmest month (with the highest average high temperature) is December (31.3°C).
The months with the lowest average high temperature are June and July (18.4°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is January (21°C).
The coldest month (with the lowest average low temperature) is July (6.4°C).
Average pressure in September
Cassel, South Africa
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1010.9mbar).
Average wind speed in September
Cassel, South Africa
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is November (17.8km/h).
The calmest month (with the lowest average wind speed) is May (12.2km/h).
Average humidity in September
Cassel, South Africa
- Average humidity in September: 25%
The months with the highest relative humidity are February and April (47%).
The month with the lowest relative humidity is September (25%).
Average rainfall in September
Cassel, South Africa
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is April (36mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Cassel, South Africa
- Average rainfall days in September: 1.9 days
The month with the highest number of rainy days is December (10.6 days).
The month with the least rainy days is July (0.9 days).
Average daylight in September /
Average sunshine in September
Cassel, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is November (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 30min).
Average sunshine days in September
Cassel, South Africa
- Average sunshine days in September: 27.4 days
The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is February (15.3 days).
Average UV index in September
Cassel, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Cassel, South Africa
- Average cloud cover in September: 7
The month with the most cloud cover is February (Cloud cover 19).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Cassel, South Africa
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
